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ATLAS PUB Notes

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2025-06-27
16:26
Vector-like quark summary plot
This note presents a plot summarising latest ATLAS $95\%$ confidence level exclusion lower limits on the vector-like quark mass for various assumptions on the decay modes. [...]
ATL-PHYS-PUB-2025-030. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-06-25
11:42
Explaining the ATLAS GN2 Flavour Tagging Algorithm with Integrated Gradients
Flavour tagging is crucial for many physics analyses at the Large Hadron Collider, enabling the identification of jets originating from heavy-flavour quarks. [...]
ATL-PHYS-PUB-2025-029. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-06-13
11:53
Top EFT Summary Plots May 2025
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2025-028. - 2025 - 42.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-06-07
07:34
Evaluating the statistical uncertainties and statistical consistency of constraints for the jet $\eta$-intercalibration in ATLAS
The $\eta$-intercalibration in situ method is one of the key steps of the ATLAS jet energy calibration procedure, aimed to ensure homogeneity of the energy response across the different detector subsystems. [...]
ATL-PHYS-PUB-2025-027. - 2025 - 12.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-28
10:41
Identification of Boosted Higgs Bosons decaying into a pair of collimated $\tau$-leptons decaying hadronically with Transformer Neural Networks in ATLAS
This work presents a novel approach to identify boosted Higgs bosons decaying into a pair of collimated $\tau$-leptons decaying hadronically by extending the GN2X algorithm, which employs a transformer neural network architecture with low-level input variables and was originally developped to identify boosted Higgs bosons decaying hadronically into a pair of b-quarks or c-quarks. [...]
ATL-PHYS-PUB-2025-026. - 2025 - 17.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-21
19:28
Top quark mass and properties summary plots May 2025
This note presents plots summarising ATLAS results and combinations of top quark mass measurements and other top quark properties..
ATL-PHYS-PUB-2025-025. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-21
16:03
Top cross section summary plots - May 2025
Summary plots related to top-quark cross section measurements from ATLAS only and from ATLAS+CMS. [...]
ATL-PHYS-PUB-2025-024. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-21
15:54
Top Quarks + X Summary Plots May 2025
This note presents summary plots of cross-section measurements and searches performed by ATLAS and CMS in the Top Quarks + X sector as of May 2025
ATL-PHYS-PUB-2025-023. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-19
17:30
Search for CP violation in 𝑾𝑯 production in 13 TeV 𝒑 𝒑 collisions with the ATLAS detector
This note presents a search for CP violation in the production of a Higgs boson in association with a $W$ boson ($WH$) using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider during Run 2, corresponding to an integrated luminosity of $140~\text{fb}^{-1}$ at a center-of-mass energy of 13 TeV. [...]
ATL-PHYS-PUB-2025-022. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-05-13
21:22
Modelling of Longitudinal-Longitudinal polarisation of the ZZ final state in the four-lepton decay channel at the ATLAS experiment
This note summarises the state-of-the-art modelling of the polarised $ZZ$ production used in the ATLAS Run2 $ZZ$ polarisation measurement. [...]
ATL-PHYS-PUB-2025-021. - 2025 - 23.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée